91402480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87887}}^1$

素因数の和:87913

約数の個数: 40

約数和(自身を含む): 228860352

約数和(自身を除く): 137457872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 87887, 175774, 351548, 439435, 703096, 878870, 1142531, 1406192, 1757740, 2285062, 3515480, 4570124, 5712655, 7030960, 9140248, 11425310, 18280496, 22850620, 45701240, 91402480]

約数ペア:

[(1, 91402480), (2, 45701240), (4, 22850620), (5, 18280496), (8, 11425310), (10, 9140248), (13, 7030960), (16, 5712655), (20, 4570124), (26, 3515480), (40, 2285062), (52, 1757740), (65, 1406192), (80, 1142531), (104, 878870), (130, 703096), (208, 439435), (260, 351548), (520, 175774), (1040, 87887)]